Articles with public access mandates - Roger NicholsLearn more
Available somewhere: 13
Supersymmetry and Schrödinger-type operators with distributional matrix-valued potentials
J Eckhardt, F Gesztesy, R Nichols, G Teschl
Journal of Spectral Theory 4 (4), 715-768, 2015
Mandates: Austrian Science Fund
Inverse spectral problems for Schrödinger-type operators with distributional matrix-valued potentials
J Eckhardt, F Gesztesy, R Nichols, A Sakhnovich, G Teschl
Mandates: Austrian Science Fund
On stability of square root domains for non-self-adjoint operators under additive perturbations
F Gesztesy, S Hofmann, R Nichols
Mathematika 62 (1), 111-182, 2016
Mandates: US National Science Foundation
On factorizations of analytic operator-valued functions and eigenvalue multiplicity questions
F Gesztesy, H Holden, R Nichols
Integral Equations and Operator Theory 82 (1), 61-94, 2015
Mandates: Research Council of Norway
On the global limiting absorption principle for massless Dirac operators
A Carey, F Gesztesy, J Kaad, G Levitina, R Nichols, D Potapov, ...
Annales Henri Poincaré 19, 1993-2019, 2018
Mandates: Australian Research Council, Danish Council for Independent Research, Villum …
Dirichlet-to-Neumann maps, abstract Weyl–Titchmarsh M-functions, and a generalized index of unbounded meromorphic operator-valued functions
J Behrndt, F Gesztesy, H Holden, R Nichols
Journal of Differential Equations 261 (6), 3551-3587, 2016
Mandates: Austrian Science Fund, Research Council of Norway
Double operator integral methods applied to continuity of spectral shift functions
AL Carey, F Gesztesy, G Levitina, R Nichols, D Potapov, F Sukochev
Journal of Spectral Theory 6 (4), 747-779, 2016
Mandates: Australian Research Council
Donoghue 𝑚-functions for Singular Sturm–Liouville operators
F Gesztesy, L Littlejohn, R Nichols, M Piorkowski, J Stanfill
St. Petersburg Mathematical Journal 35 (1), 101-138, 2024
Mandates: US National Science Foundation, Austrian Science Fund
The product formula for regularized Fredholm determinants
T Britz, A Carey, F Gesztesy, R Nichols, F Sukochev, D Zanin
Proceedings of the American Mathematical Society, Series B 8 (4), 42-51, 2021
Mandates: Australian Research Council
Weyl–Titchmarsh theory for Sturm–Liouville operators with distributional coefficients
J Eckhardt, F Gesztesy, R Nichols, G Teschl
preprint, 2012
Mandates: Austrian Science Fund
On a problem in eigenvalue perturbation theory
F Gesztesy, SN Naboko, R Nichols
Journal of Mathematical Analysis and Applications 428 (1), 295-305, 2015
Mandates: European Commission
Singular fourth-order Sturm–Liouville operators and acoustic black holes
D HINTON, RA NICHOLS
Mandates: US National Science Foundation
Explicit Krein Resolvent Identities for Singular Sturm-Liouville Operators with Applications to Bessel Operators
D Rung, SB Allan, JH Kim, G Michajlyszyn, R Nichols
University of the South, 2020
Mandates: US National Science Foundation
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